/Engine/Plugins/MovieScene/LevelSequenceEditor/Source/LevelSequenceEditor/Public/FilmOverlayToolkit.h
The primary film overlays (only one can be active at a time)
static [TMap](API\Runtime\Core\Containers\TMap)< [FName](API\Runtime\Core\UObject\FName), [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IFilmOverlay](API\Plugins\LevelSequenceEditor\IFilmOverlay) > > PrimaryFilmOverlays;